86235515073 has 12 divisors (see below), whose sum is σ = 125012098068. Its totient is φ = 57282795360.

The previous prime is 86235515059. The next prime is 86235515077. The reversal of 86235515073 is 37051553268.

86235515073 is a `hidden beast` number, since 8 + 6 + 23 + 551 + 5 + 0 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60079892544 + 26155622529 = 245112^2 + 161727^2 .

It is not a de Polignac number, because 86235515073 - 2²⁸ = 85967079617 is a prime.

It is a super-2 number, since 2×86235515073² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86235515077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17293038 + ... + 17298023.

It is an arithmetic number, because the mean of its divisors is an integer number (10417674839).

Almost surely, 2^86235515073 is an apocalyptic number.

It is an amenable number.

86235515073 is a deficient number, since it is larger than the sum of its proper divisors (38776582995).

86235515073 is a wasteful number, since it uses less digits than its factorization.

86235515073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34591344 (or 34591341 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 86235515073 in words is "eighty-six billion, two hundred thirty-five million, five hundred fifteen thousand, seventy-three".